package com.itheima.reggie.web;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@Slf4j
@RestController
@RequestMapping("/category")
public class CategoryController {
    @Autowired
    CategoryService categoryService;

    //新增分类
    @PostMapping
    public R<String> save(@RequestBody Category category){
        categoryService.save(category);
        return R.success("添加成功");
    }

    //分页查询分类
    @GetMapping("/page")
    public R<Page> query(int page,int pageSize){
        //1.分页构造器
        Page pageInfo = new Page(page,pageSize);
        //2.条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.orderByAsc(Category::getSort);
        //2.调用查询方法
        categoryService.page(pageInfo,queryWrapper);
        return R.success(pageInfo);
    }

    //根据id查询
    @GetMapping("/{id}")
    public R<Category> getById(@RequestBody Category category){
        log.info("cc");
        Long id = category.getId();
        Category cate = categoryService.getById(id);
        if (cate==null){
            return R.error("暂无菜品信息");
        }
        return R.success(cate);
    }

    //更新菜品
    @PutMapping
    public R<String> update(@RequestBody Category category){
        categoryService.updateById(category);
        return R.success("更新成功");
    }
    //删除菜品
    @DeleteMapping
    public R<String> delete(Long id){
       // categoryService.removeById(id);
        //调用自己手写的删除方法
        categoryService.remove(id);
        return R.success("菜品删除成功");
    }

    //根据条件查询分类数据
    @GetMapping("/list")
    public R<List<Category>> list(Category category){
        //条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        //添加条件
        queryWrapper.eq(category.getType()!=null,Category::getType,category.getType());
        //添加排序条件
        queryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);
        //执行方法
        List<Category> list = categoryService.list(queryWrapper);
        return R.success(list);
    }
}
